It's in french but should be understanble. You just have to apply the commands.

BTW the march option is defined by menuconfig. Theese few commands should allow you to build your kernel with the CFLAGS from the make.conf_________________le "lol" est aux boulets ce que le ";" est au programmeurs

If using lilo--the sed instruction changing the INSTALL_PATH line in "Makefile" is there just in case you are compiling the kernel from git and don't want to have a modified Makefile interfering with your "git pull".